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Tooth Powder Is brushing with tooth powder as good as brushing with toothpaste

Combining them in one vial lets researchers examine both pathways in a single experimental system

If storage is sub-optimal (room temperature, high humidity, light exposure), expect significantly shorter viability (perhaps only several months for powder, or days for solution)

And while GHK-Cu is FDA-approved for topical use in creams, serums, and lotions, some experimental uses like taking GHK-Cu internally have sparked curiosity and caution

Brendan Camp, MD, is a double board-certified dermatologist in dermatology and dermatopathology at MDCS Dermatology in New York